Sona.
Can we see a nerf to her damage? The fact that a support Sona with just a sheen can Q then auto me as an adc and remove 1/3 of my life, on a 6 second cooldown, as well as sustain in lane with healing and an AOE stun is just atrocious. If you're outdamaging an adc as a support with a lot less gold, there is a problem